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B. Lance is 39 years old. Ted is 22 years old.
Rosalinda is 45 years old. How old is Erik if the
mean age of the four friends is 33.5?​

Respuesta :

devishri1977

Answer:

28 years

Step-by-step explanation:

Sum of the years of Lance , Ted, Rosalinda = 39 + 22 +45 = 106 year

Sum of the years of Lance , Ted, Rosalinda & Erik = 33.5*4 = 134.0 year

Age of Erik = 134 - 106 = 28 years

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